libio/rewind.shared.s

   1         .text
   2 #APP
   3         memmove = __GI_memmove
   4         memset = __GI_memset
   5         memcpy = __GI_memcpy
   6 #NO_APP
   7         .p2align 4,,15
   8         .globl  __GI_rewind
   9         .hidden __GI_rewind
  10         .type   __GI_rewind, @function
  11 __GI_rewind:
  12 .LFB68:
  13         pushq   %rbp
  14         pushq   %rbx
  15         movq    %rdi, %rbx
  16         subq    $8, %rsp
  17         movl    (%rdi), %edx
  18         andl    $32768, %edx
  19         jne     .L2
  20         movq    136(%rdi), %rdi
  21         movq    %fs:16, %rbp
  22         cmpq    %rbp, 8(%rdi)
  23         je      .L3
  24 #APP
  25 # 34 "rewind.c" 1
  26         movl %fs:24,%eax
  27 # 0 "" 2
  28 #NO_APP
  29         testl   %eax, %eax
  30         jne     .L4
  31         movl    $1, %edx
  32 #APP
  33 # 47 "../sysdeps/unix/sysv/linux/x86/lowlevellock.h" 1
  34         cmpxchgl %edx, (%rdi)
  35 # 0 "" 2
  36 #NO_APP
  37 .L5:
  38         movq    136(%rbx), %rdi
  39         movq    %rbp, 8(%rdi)
  40 .L3:
  41         addl    $1, 4(%rdi)
  42 .L2:
  43         movl    $3, %ecx
  44         xorl    %edx, %edx
  45         xorl    %esi, %esi
  46         movq    %rbx, %rdi
  47 .LEHB0:
  48         call    _IO_seekoff_unlocked
  49         movl    (%rbx), %eax
  50         movl    %eax, %edx
  51         andl    $-49, %edx
  52         testb   $-128, %ah
  53         movl    %edx, (%rbx)
  54         jne     .L1
  55         movq    136(%rbx), %rdi
  56         movl    4(%rdi), %eax
  57         subl    $1, %eax
  58         testl   %eax, %eax
  59         movl    %eax, 4(%rdi)
  60         jne     .L1
  61         movq    $0, 8(%rdi)
  62 #APP
  63 # 885 "libioP.h" 1
  64         movl %fs:24,%edx
  65 # 0 "" 2
  66 #NO_APP
  67         testl   %edx, %edx
  68         jne     .L11
  69         subl    $1, (%rdi)
  70 .L1:
  71         addq    $8, %rsp
  72         popq    %rbx
  73         popq    %rbp
  74         ret
  75         .p2align 4,,10
  76         .p2align 3
  77 .L4:
  78         movl    $1, %ecx
  79         movl    %edx, %eax
  80         lock cmpxchgl   %ecx, (%rdi)
  81         je      .L5
  82         call    __lll_lock_wait_private
  83 .LEHE0:
  84         jmp     .L5
  85         .p2align 4,,10
  86         .p2align 3
  87 .L11:
  88 #APP
  89 # 885 "libioP.h" 1
  90         xchgl %eax, (%rdi)
  91 # 0 "" 2
  92 #NO_APP
  93         cmpl    $1, %eax
  94         jle     .L1
  95         xorl    %r10d, %r10d
  96         movl    $1, %edx
  97         movl    $129, %esi
  98         movl    $202, %eax
  99 #APP
 100 # 885 "libioP.h" 1
 101         syscall
 102
 103 # 0 "" 2
 104 #NO_APP
 105         jmp     .L1
 106 .L15:
 107         testl   $32768, (%rbx)
 108         movq    %rax, %r8
 109         jne     .L13
 110         movq    136(%rbx), %rdi
 111         movl    4(%rdi), %eax
 112         subl    $1, %eax
 113         testl   %eax, %eax
 114         movl    %eax, 4(%rdi)
 115         jne     .L13
 116         movq    $0, 8(%rdi)
 117 #APP
 118 # 885 "libioP.h" 1
 119         movl %fs:24,%edx
 120 # 0 "" 2
 121 #NO_APP
 122         testl   %edx, %edx
 123         jne     .L14
 124         subl    $1, (%rdi)
 125 .L13:
 126         movq    %r8, %rdi
 127 .LEHB1:
 128         call    _Unwind_Resume@PLT
 129 .LEHE1:
 130 .L14:
 131 #APP
 132 # 885 "libioP.h" 1
 133         xchgl %eax, (%rdi)
 134 # 0 "" 2
 135 #NO_APP
 136         subl    $1, %eax
 137         jle     .L13
 138         xorl    %r10d, %r10d
 139         movl    $1, %edx
 140         movl    $129, %esi
 141         movl    $202, %eax
 142 #APP
 143 # 885 "libioP.h" 1
 144         syscall
 145
 146 # 0 "" 2
 147 #NO_APP
 148         jmp     .L13
 149 .LFE68:
 150         .globl  __gcc_personality_v0
 151         .section        .gcc_except_table,"a",@progbits
 152 .LLSDA68:
 153         .byte   0xff
 154         .byte   0xff
 155         .byte   0x1
 156         .uleb128 .LLSDACSE68-.LLSDACSB68
 157 .LLSDACSB68:
 158         .uleb128 .LEHB0-.LFB68
 159         .uleb128 .LEHE0-.LEHB0
 160         .uleb128 .L15-.LFB68
 161         .uleb128 0
 162         .uleb128 .LEHB1-.LFB68
 163         .uleb128 .LEHE1-.LEHB1
 164         .uleb128 0
 165         .uleb128 0
 166 .LLSDACSE68:
 167         .text
 168         .size   __GI_rewind, .-__GI_rewind
 169         .globl  rewind
 170         .set    rewind,__GI_rewind
 171         .hidden DW.ref.__gcc_personality_v0
 172         .weak   DW.ref.__gcc_personality_v0
 173         .section        .data.DW.ref.__gcc_personality_v0,"awG",@progbits,DW.ref.__gcc_personality_v0,comdat
 174         .align 8
 175         .type   DW.ref.__gcc_personality_v0, @object
 176         .size   DW.ref.__gcc_personality_v0, 8
 177 DW.ref.__gcc_personality_v0:
 178         .quad   __gcc_personality_v0
 179         .hidden __lll_lock_wait_private
 180         .hidden _IO_seekoff_unlocked